This thing circled in red.
A kind soul once told me i can buy this in a shop in Adelphi, but i was a bit too late, it was gone before i can buy it. Shop owner also says that he don't usually sell this item because it comes with some other equipments.
*andi1704, i used this image from your thread, and PS it. You don't accept PM, thus i cannot message you to ask for permission. However if you want me to remove this image, pls PM me. Thank you.